Approved sewerage system means a drainage system equipped and operated so as to carry and dispose of sewage without endangering livestock through the contamination of streams or fields and approved by the Veterinary Services.

Approved warehouse means a warehouse having facilities approved by Veterinary Services for the handling and storage, apart from other merchandise, of restricted import products.

Bird trophy. A carcass or part of a carcass of a wild bird taken as game during a hunting expedition for the purpose of processing into taxidermy mounts for personal exhibition.

(1) Any influenza virus that kills at least 75 percent of eight 4- to 6-week-old susceptible chickens within 10 days following intravenous inoculation with 0.2 mL of a 1:10 dilution of a bacteria-free, infectious allantoic fluid or inoculation of 10 susceptible 4- to 8-week-old chickens resulting in an intravenous pathogenicity index (IVPI) of greater than 1.2;

(2) Any H5 or H7 virus that does not meet the criteria in paragraph (1) of this definition, but has an amino acid sequence at the haemagglutinin cleavage site that is compatible with highly pathogenic avian influenza viruses; or

(3) Any influenza virus that is not an H5 or H7 subtype and that kills one to five out of eight inoculated chickens and grows in cell culture in the absence of trypsin within 10 days.

Inspector. Any individual authorized by the Administrator of APHIS or the Commissioner of Customs and Border Protection, Department of Homeland Security, to enforce the regulations in this part.

Meat meal or tankage means the rendered and dried carcasses or parts of the carcasses of animals.

Region. Any defined geographic land area identifiable by geological, political, or surveyed boundaries. A region may consist of any of the following:

(1) A national entity (country);

(2) Part of a national entity (zone, county, department, municipality, parish, Province, State, etc.)

(3) Parts of several national entities combined into an area; or

(4) A group of national entities (countries) combined into a single area.

Specified risk materials (SRMs) from regions of controlled risk for BSE. Those bovine parts considered to be at particular risk of containing the BSE agent in infected animals, as listed in the FSIS regulations at 9 CFR 310.22(a).

Specified risk materials (SRMs) from regions of undetermined risk for BSE. Those bovine parts considered to be at particular risk of containing the BSE agent in infected animals, as listed in the FSIS regulations at 9 CFR 310.22(a), except that the following bovine parts from regions of undetermined risk for BSE are considered SRMs if they are derived from bovines over 12 months of age: Brain, skull, eyes, trigeminal ganglia, spinal cord, vertebral column (excluding the vertebrae of the tail, the transverse processes of the thoracic and lumbar vertebrae, and the wings of the sacrum), and the dorsal root ganglia.

Suspect for a transmissible spongiform encephalopathy.

(1) A sheep or goat that has tested positive for a transmissible spongiform encephalopathy or for the proteinase resistant protein associated with a transmissible spongiform encephalopathy, unless the animal is designated as positive for a transmissible spongiform encephalopathy; or

(2) A sheep or goat that exhibits any of the following signs and that has been determined to be suspicious for a transmissible spongiform encephalopathy by a veterinarian: Weight loss despite retention of appetite; behavior abnormalities; pruritus (itching); wool pulling; biting at legs or side; lip smacking; motor abnormalities such as incoordination, high stepping gait of forelimbs, bunny hop movement of rear legs, or swaying of back end; increased sensitivity to noise and sudden movement; tremor, “star gazing,” head pressing, recumbency, or other signs of neurological disease or chronic wasting.

Tallow derivative. Any chemical obtained through initial hydrolysis, saponification, or transesterification of tallow; chemical conversion of material obtained by hydrolysis, saponification, or transesterification may be applied to obtain the desired product.

United States means the several States, the District of Columbia, Guam, the Northern Mariana Islands, Puerto Rico, the Virgin Islands of the United States, and all other territories and possessions of the United States.